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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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STLC3065 数据表(PDF) 6 Page - STMicroelectronics |
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STLC3065 数据表(HTML) 6 Page - STMicroelectronics |
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6 / 27 page  Table 2. Dual Port control. D0 D1 D2 P1 P2 OPER. MODE LINE 1 LINE 2 DET DET1 DET2 0 0 X 0 0 Power Down Open Open - - - 0 0 X 1 1 High Z feed. To P.S. via Res. To P.S. via Res. off-hook line 1+2 off-hook line 1 off-hook line 2 0 0 X 0 1 Power Down/ High Z feed. Open To P.S. via Res. off-hook line 2 - off-hook line 2 0 0 X 1 0 High Z feed. Power Down To P.S. via Res. Open off-hook line 1 off-hook line 1 - X 1 X 0 0 ACTIVE 300 µA bias 300µA bias - - - X 1 X 1 1 ACTIVE To Buffer To Buffer off-hook line 1+2 -- X 1 X 0 1 ACTIVE 300 µA bias To Buffer off-hook line 2 -- X 1 X 1 0 ACTIVE To Buffer 300 µA bias off-hook line 1 -- 1 0 X 0 1 RING 300 µA bias 300µA bias - - - 1 0 X 1 1 RING To Buffer To Buffer Ring-trip line 1+2 -- 1 0 X 0 1 RING 300 µA bias To Buffer Ring-trip line 2 -- 1 0 X 1 0 RING To Buffer 300 µA bias Ring-trip line 1 -- R1 R1 R1 R1 Is2 Is1 VBAT TIP1 RING1 TIP2 RING2 Tip Ring BGND Sw1T Sw1R Sw2T Sw2R Sw4T Sw3T Sw4R Sw3R Line Driver Sw6R Sw5R 300 µA 300 µA R1 = 1500 ohm LINE1 LINE2 Figure 1. Dual Port Concept. STLC3065 6/27 |
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